I paused for the exclamation of encouragement he is accustomed to give on such occasions, and while I paused, prepared for my accustomed triumph. He did not fail me in the exclamation, nor did I miss my expected triumph.

"Was not found by Mother Jane, or even brought to her in any ordinary way or by any ordinary messenger. It came to her on a pigeon's neck, the pigeon you will find lying dead among the bushes in the Knollys yard."

He was amazed. He controlled himself, but he was very visibly amazed. His exclamations proved it.

"Madam! Miss Butterworth! This ring—Mr. Chittenden's ring, whose presence in her hut we thought an evidence of guilt, was brought to her by one of her pigeons?"

"So she told me. I aroused her fury by showing her the empty husk in which it had been concealed. In her rage at its loss, she revealed the fact I have just mentioned. It is a curious one, sir, and one I am a little proud to have discovered."

"Curious? It is more than curious; it is bizarre, and will rank, I am safe in prophesying, as one of the most remarkable facts that have ever adorned the annals of the police. Madam, when I say I envy you the honor of its discovery, you will appreciate my estimate of it—and you. But when did you find this out, and what explanation are you able to give of the presence of this ring on a pigeon's neck?"

"Sir, to your first question I need only reply that I was here two hours or so ago, and to the second that everything points to the fact that the ring was attached to the bird by the victim himself, as an appeal for succor to whoever might be fortunate enough to find it. Unhappily it fell into the wrong hands. That is the ill-luck which often befalls prisoners."

"Prisoners?"

"Yes. Cannot you imagine a person shut up in an inaccessible place making some such attempt to communicate with his fellow-creatures?"

"But what inaccessible place have we in——"